VDB-342733 · CVE-2026-0687 · EUVD-2026-4548

Meta-box GalleryMeta Plugin up to 3.0.1 on WordPress mb_gallery authorization

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.2	$0-$5k	0.00

Summaryinfo

A vulnerability classified as critical has been found in Meta-box GalleryMeta Plugin up to 3.0.1 on WordPress. The affected element is the function mb_gallery. This manipulation causes authorization. This vulnerability appears as CVE-2026-0687. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability has been found in Meta-box GalleryMeta Plugin up to 3.0.1 on WordPress and classified as critical. Affected by this vulnerability is the function mb_gallery. The manipulation with an unknown input leads to a authorization vulnerability. The CWE definition for the vulnerability is CWE-862. The product does not perform an authorization check when an actor attempts to access a resource or perform an action. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

The Meta-box GalleryMeta plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the 'mb_gallery' custom post type in all versions up to, and including, 3.0.1. This makes it possible for authenticated attackers, with Author-level access and above, to create and publish galleries.

The advisory is shared at wordfence.com. This vulnerability is known as CVE-2026-0687. The exploitation appears to be easy. The attack can be launched remotely. Technical details are known, but no exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 01/25/2026).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-4548). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

WordPress Plugin

Name

Meta-box GalleryMeta Plugin

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.2

VulDB Base Score: 6.3
VulDB Temp Score: 6.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 4.3
CNA Vector: 🔒

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Authorization
CWE: CWE-862 / CWE-863 / CWE-285
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

01/24/2026 Advisory disclosed
01/24/2026 +0 days VulDB entry created
01/25/2026 +1 days VulDB entry last update

Sourcesinfo

Advisory: wordfence.com
Status: Not defined

CVE: CVE-2026-0687 (🔒)
GCVE (CVE): GCVE-0-2026-0687
GCVE (VulDB): GCVE-100-342733
EUVD: 🔒

Entryinfo

Created: 01/24/2026 01:12
Updated: 01/25/2026 11:28
Changes: 01/24/2026 01:12 (50), 01/25/2026 06:09 (1), 01/25/2026 11:28 (12)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.